Home / 9,863.39-14,787.79-3,620.11

Finding the Fourth Proportional to 9,863.39, 14,787.79 and 3,620.11

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Solution

The fourth proportional to 9,863.39, 14,787.79 and 3,620.11 is: 5,427.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,863.39 : 14,787.79 = 3,620.11 : x
  2. Step 2: Convert to fraction form
    9,863.39/14,787.79 = 3,620.11/x
  3. Step 3: Cross multiply
    9,863.39x = 14,787.79 × 3,620.11
  4. Step 4: Simplify right side
    9,863.39x = 53,533,380.44
  5. Step 5: Solve for x
    x = 53,533,380.44/9,863.39
  6. Step 6: Final answer
    x = 5,427.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.